[INFO] cloning repository https://github.com/mookid/diffr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mookid/diffr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmookid%2Fdiffr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmookid%2Fdiffr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f019e23517ef5f92cae366c23db5c93247b03ed5
[INFO] checking mookid/diffr against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmookid%2Fdiffr" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mookid/diffr on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mookid/diffr
[INFO] finished tweaking git repo https://github.com/mookid/diffr
[INFO] tweaked toml for git repo https://github.com/mookid/diffr written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mookid/diffr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c6c8364f7a704f5a345c27fba66aaa5fb696b3b0ffaa958ce855f2a9664b76b
[INFO] running `Command { std: "docker" "start" "-a" "3c6c8364f7a704f5a345c27fba66aaa5fb696b3b0ffaa958ce855f2a9664b76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6c8364f7a704f5a345c27fba66aaa5fb696b3b0ffaa958ce855f2a9664b76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6c8364f7a704f5a345c27fba66aaa5fb696b3b0ffaa958ce855f2a9664b76b", kill_on_drop: false }`
[INFO] [stdout] 3c6c8364f7a704f5a345c27fba66aaa5fb696b3b0ffaa958ce855f2a9664b76b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d56dcc657cc55884c218185ff71a2366bccb7747a93b0a3c3dfb7d5b8ded860b
[INFO] running `Command { std: "docker" "start" "-a" "d56dcc657cc55884c218185ff71a2366bccb7747a93b0a3c3dfb7d5b8ded860b", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking diffr v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "d56dcc657cc55884c218185ff71a2366bccb7747a93b0a3c3dfb7d5b8ded860b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56dcc657cc55884c218185ff71a2366bccb7747a93b0a3c3dfb7d5b8ded860b", kill_on_drop: false }`
[INFO] [stdout] d56dcc657cc55884c218185ff71a2366bccb7747a93b0a3c3dfb7d5b8ded860b
[INFO] checking mookid/diffr against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmookid%2Fdiffr" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mookid/diffr on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mookid/diffr
[INFO] finished tweaking git repo https://github.com/mookid/diffr
[INFO] tweaked toml for git repo https://github.com/mookid/diffr written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mookid/diffr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ac5ee6a2d91973a37d8cf2b9dc058ea67d8b2a5782440cd115aa8f711a495c8
[INFO] running `Command { std: "docker" "start" "-a" "7ac5ee6a2d91973a37d8cf2b9dc058ea67d8b2a5782440cd115aa8f711a495c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ac5ee6a2d91973a37d8cf2b9dc058ea67d8b2a5782440cd115aa8f711a495c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac5ee6a2d91973a37d8cf2b9dc058ea67d8b2a5782440cd115aa8f711a495c8", kill_on_drop: false }`
[INFO] [stdout] 7ac5ee6a2d91973a37d8cf2b9dc058ea67d8b2a5782440cd115aa8f711a495c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0992dcc9087ecc7b655f61ce9e080946f89e8e4c8ab119bc15c78b4b35b434e4
[INFO] running `Command { std: "docker" "start" "-a" "0992dcc9087ecc7b655f61ce9e080946f89e8e4c8ab119bc15c78b4b35b434e4", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking diffr v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/diffr_lib/tests_lib.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn to_strings<It>(buf: &[u8], tokens: It) -> Vec<String>
[INFO] [stdout]    |                               ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 25 |     mk_vec(tokens.map(|range| string_of_bytes(&buf[range.0..range.1])))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diffr` (bin "diffr" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0992dcc9087ecc7b655f61ce9e080946f89e8e4c8ab119bc15c78b4b35b434e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0992dcc9087ecc7b655f61ce9e080946f89e8e4c8ab119bc15c78b4b35b434e4", kill_on_drop: false }`
[INFO] [stdout] 0992dcc9087ecc7b655f61ce9e080946f89e8e4c8ab119bc15c78b4b35b434e4